ASTM D 3417-1997 用热分析法测定聚合物的熔融热量及结晶热的试验方法

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【英文标准名称】:TestMethodforHeatsofFusionandCrystallizationofPolymersbyThermalAnalysis
【原文标准名称】:用热分析法测定聚合物的熔融热量及结晶热的试验方法
【标准号】:ASTMD3417-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;高聚物;试验;熔化;塑料;热学;结晶
【英文主题词】:crystallizations;polymers;fusions;analysis;plastics;testing;heat
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语


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【英文标准名称】:Clothingforprotectionagainstinfectiousagents--Facemasks--Testmethodforresistanceagainstpenetrationbysyntheticblood(fixedvolume,horizontallyprojected)
【原文标准名称】:预防传染性病原体的防护服.面罩.防止人造血浆渗透的试验方法(确定容量,平行注射)
【标准号】:JIST8062-2010
【标准状态】:现行
【国别】:日本
【发布日期】:2010-05-25
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonProtectiveEquipmentforOccupationalSafety
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandarddescribesalaboratorytestmethodforfacemasksthatprotectagainstcontactwiththebloodexpelledfrombloodvesselsorotherbodyfluids.
【中国标准分类号】:C47;F79
【国际标准分类号】:11_140;13_340_10
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforAcid-ExtractionofElementsfromSedimentsUsingClosedVesselMicrowaveHeating
【原文标准名称】:使用封闭式微波炉加热法从沉淀物中酸萃取元素的标准实施规程
【标准号】:ASTMD5258-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:digestion;microwave;sediments;soils;vessel
【摘要】:Partialextractionofsoilsandsedimentscanprovideinformationontheavailabilityofelementstoleeching,waterqualitychanges,orothersiteconditions.Rapidheating,incombinationwithtemperaturesinexcessoftheatmosphericboilingpointofnitricacid,reducessamplepreparationorreactiontimes.Littleornoacidsarelosttoboilingorevaporationinthecloseddigestionvesselsoadditionalportionsofacidmaynotberequired.Increasedblankcorrectionsfromtraceimpuritiesinacidareminimized.1.1Thispracticecoversthedigestionofsoilsandsedimentsforsubsequentdeterminationofacid-extractableconcentrationsofcertainelementsbysuchtechniquesasatomicabsorptionandatomicemissionspectroscopy.1.1.1Concentrationsofarsenic,cadmium,copper,lead,magnesium,manganese,nickel,andzinccanbeextractedfromtheprecedingmaterials.Otherelementsmaybedeterminedusingthispractice.1.2Theanalyticalsampleisarbitrarilydefinedasthatwhichpassesa10-mesh(approximately2-mmopenings)screenandispreparedaccordingtoPracticeD3974.1.3ActualelementquantitationcanbeaccomplishedbyfollowingthevarioustestmethodsunderotherappropriateASTMstandardsforelement(s)ofinterest.1.4Thedetectionlimitandlinearconcentrationrangeforeachelementisdependentontheatomicabsorptionoremissionspectrophotometrictechniqueemployedandmaybefoundinthemanualaccompanyingtheinstrumentused.1.5Beforeselectingadigestiontechnique,theusershouldconsulttheappropriatequantitationstandard(s)foranyspecialanalyticalconsiderations,andPracticeD3974foranyspecialpreparatoryconsiderations.1.6Theextentofextractionofelementsfromsoilsandsedimentsbythismethodisdependentuponthephysicalandmineralogiccharacteristicsofthepreparedsample.1.7Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.
【中国标准分类号】:Z16
【国际标准分类号】:13_080_10
【页数】:4P.;A4
【正文语种】: